Simple Search 'terms' XSS Vulnerability

# SPDX-FileCopyrightText: 2010 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.801212");
  script_version("2023-10-27T05:05:28+0000");
  script_cve_id("CVE-2009-4866");
  script_tag(name:"last_modification", value:"2023-10-27 05:05:28 +0000 (Fri, 27 Oct 2023)");
  script_tag(name:"creation_date", value:"2010-05-25 13:56:16 +0200 (Tue, 25 May 2010)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_name("Simple Search 'terms' XSS Vulnerability");
  script_category(ACT_ATTACK);
  script_copyright("Copyright (C) 2010 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("find_service.nasl", "no404.nasl", "webmirror.nasl", "DDI_Directory_Scanner.nasl", "global_settings.nasl");
  script_require_ports("Services/www", 80);
  script_exclude_keys("Settings/disable_cgi_scanning");

  script_xref(name:"URL", value:"http://xforce.iss.net/xforce/xfdb/52311");
  script_xref(name:"URL", value:"http://secunia.com/advisories/36178");
  script_xref(name:"URL", value:"http://packetstormsecurity.org/0908-exploits/simplesearch-xss.txt");

  script_tag(name:"impact", value:"Successful exploitation will allow an attacker to execute arbitrary
  code in the context of the application.");

  script_tag(name:"affected", value:"Simple Search version 1.0. Other versions may also be affected.");

  script_tag(name:"insight", value:"The flaw is caused by an improper validation of user-supplied
  input passed via the 'terms' parameter to 'search.cgi', that allows attackers
  to execute arbitrary HTML and script code on the web server.");

  script_tag(name:"solution", value:"No known solution was made available for at least one year since the disclosure
  of this vulnerability. Likely none will be provided anymore. General solution options are to upgrade to a newer
  release, disable respective features, remove the product or replace the product by another one.");

  script_tag(name:"summary", value:"Simple Search is prone to a cross-site scripting (XSS) vulnerability.");

  script_tag(name:"solution_type", value:"WillNotFix");
  script_tag(name:"qod_type", value:"remote_analysis");

  exit(0);
}

include("http_func.inc");
include("http_keepalive.inc");
include("port_service_func.inc");
include("list_array_func.inc");

port = http_get_port(default:80);

foreach dir(make_list_unique("/search", "/", http_cgi_dirs(port:port))) {

  install = dir;
  if(dir == "/")
    dir = "";

  res = http_get_cache(item:dir + "/search.html", port:port);

  if(">Matt's Script Archive<" >< res) {

    action = eregmatch(pattern:string('action="(.*cgi)">'), string:res);

    if(action[1]) {

      url = dir + "/" + action[1];
      req = http_post(port:port, item:url, data:"terms=%3Cscript%3Ealert%28%22VT-Test%22%29%3C%2Fscript%3E&boolean=AND&case=Insensitive");
      res = http_keepalive_send_recv(port:port, data:req, bodyonly:FALSE);

      if(res =~ "^HTTP/1\.[01] 200" && '<script>alert("VT-Test")</script>' >< res) {
        report = http_report_vuln_url(port:port, url:url);
        security_message(port:port, data:report);
        exit(0);
      }
    }
  }
}

exit(99);